A professional who tends grain-drying machines that reduce moisture content of grain. Respnsibilities include:

• Reviews data concerning moisture content of grain to be dried.
• Moves levers to regulate gate on feed hopper and flow of grain through drier.
• Observes temperature recorders and turns valves to regulate flow of steam pressure or gas to heat driers to specified temperature.
• May observe conveyors transferring grain from storage bin and control flow of grain into feed hopper.
• May test grain to ensure moisture content standards are being met, using moisture meter or standard oil-distillation test.
• May be designated according to grain dried as Rice-Drier Operator.